3 ms·
This is so basic but incredible to think about. How do they know that it is there when it's stopped, provided that it neither has mass nor emits "something"? My
by egeozcan 13y ago
This is so basic but incredible to think about. How do they know that it is there when it's stopped, provided that it neither has mass nor emits "something"? My brain just stopped.
- amirmc 13y agoProbably by deduction and careful experimental design. If it's not anywhere else, there's only one place left. Also, it is emitted at some point so it's not trapped forever.
- a-priori 13y agoThey know it's there because when they 'unfreeze' it, the light continues on its path and they can detect it then.
- swamp40 13y agoThey sent an image thru the crystal. Three stripes. When they made the crystal transparent again, the same image came out.